Web Develop

The block is centered vertically in the block(Position:absolute; top:50%; margin-top:-one-second height) blocks are centered horizontally in blocks(child element Set margin:0 Auto or Auto) Use Method 1 to center the vertical horizontally#box

HTTP is a stateless protocol, with two consecutive requests for the same session that are not known to each other, and they are parsed by the newly instantiated environment, which does not save any information about the session, except that the

digital clockdigital clockJS Digital Clock

Thinkphp was created to simplify enterprise application development and Agile Web application development. First born in early 2006, 2007 New Year's Day officially renamed Thinkphp, and follow the Apache2 open source agreement released. Since its

HTML5 Add a page background music a customer asked to add a background music to the site, I use the HTML5 to add the page background music code, in this record later useful. HTML5 method One: > does not show the player. HTML5 method Two: will

These two days are learning about PHP7 installation and Redis-related configuration awareness. and write down the notes. For later use. Mainly involves Redis's extended Php-redis and Redis master-slave configuration.One: Redis installation     1:

Review Custom directives Log in to get login information session First, save a user at login verification Use Ajax calls to get user information to login in the Student Management page Add a click event to the

1.JPAJPA Full Name: Java persistence APIJPA describes the mapping of objects-relational tables through JDK 5.0 annotations or XML, and persists entity objects for the run-time into the database.The advent of JPA?There are two reasons for JPA to

I'm here to end three ways.The first method: Fsockopen$flag= 0; $post= ' '; $errno= ' '; $errstr= ' '; //the data to post$argv=Array( ' username ' + ' Vic ', ' content ' + ' How is you, my friend? ');//constructing a string to postforeach($argv

In CSS, tag elements in HTML can be divided into three types: block elements, inline elements, and inline block elements .The most common block elements are:, , (...... title), , , , , , (long quote), Features of blocky elements:1, a block element

First, the definition:1. function declaration functions func () {}2. Function Expression var func = function () {}Note the point:　　var function // OK// error, test isn ' t definedThe difference between an anonymous function expression and a

Closure principle Detailed:----->JS principle of implementationFirst of all, JS execution is divided into two steps, pre-compilation phase and execution stage, understand this step, then take the above example as an example to slowly analyze

1.video: Supported formats (OGG, MP4, WEBM) most commonly used are MP42.audio: Supported formats (Ogg Vorbis, MP3, WAV) most commonly used are mp33. Both audio and video can be played via controls, AutoPlay (auto player), loop (loop).4. Block-level:

1. Create a button　　 Buttons 　　　　 button //One row can put more than one button ui-btn-inline (horizontal arrangement)　　 Buttons Buttons Buttons 　　2.checkboxradio (Radio and check box) Apple FieldSet (Create a group sort)The Radio box can only

PHP/*detect and Clear BOM*/ if(isset($_get[' dir '])){ $basedir=$_get[' dir ']; }Else{ $basedir= '. '; } $auto= 1; Checkdir ($basedir); functionCheckdir ($basedir){ if($DH=Opendir($basedir)){ while(($file=Readdir($DH)) !==

One, 200 status code:Success 2xx: The status code of the request was successfully processed.1, 200: The server has successfully processed the request and provided the requested Web page.2, 204: The server successfully processed the request, but did

A good introduction to jquery in China, "sharp jquery", start learning.JavaScript is an explanatory scripting language (code does not compile) and can be embedded directly into HTML, across platforms. It was originally used to add dynamic

Implementation of the drop-down menuScript:1View CodeCSS code:1*{margin:0px; padding:0px;}2#menu {background-color: #eee; width:600px; height:40px; margin:0Auto;}3ul{list-Style:none;}4UL li{line-height:40px; text-align:center;

For word operations is generally the operation of a Word template, directly new do not consider, the online tutorial a lot, see for yourselfThere are generally the following methods (forget the specific, the general situation below is enough)1.

Delete the directory directly, if it is empty directory can be deleted, if not empty directory, this time can only delete the files in the directory, and then delete the Directory. I encapsulated a delete function and called the function directly.